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Most car manufacturers have some form of Traction Control System (it is known by varios acronyms). Most limit engine power when one or both drive wheels slip. Some manufacturers also have a Stability Management System (PSM is one such system). Like other stability mgmt systems PSM combines accelerometers, ABS sensors, steering wheel position sensor, throttle sensor and a computer to determine if the car is understeering or oversteering and then individually applies brakes to correct the problem.
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